baber/WOPTO huggingface dataset:
Patent GB-915156-A (GB)
Title: Method for separating solid oxides from ion exchange resins
IPC: B03B5/62
Filed: 1961-04-10
Abstract: Particles of solid oxide catalysts or solid oxide catalyst carriers are separated from admixtures with particles of an ion-exchange resin in an aqueous medium by a method (see Group II) which comprises contacting the mixture with an ascending aqueous stream to separate the greater part of the particles and thereafter separating the remaining solid oxide and resin particles by screening.  Solid oxide catalysts which may be treated by ion-exchange resins are, for example, cracking catalysts such as the silica-alumina catalysts used in cracking processes.  Reference is made in the Specification to technical literature giving details of suitable exchange resins. Examples are given of electriadion experiments according to the invention on catalyst-resin slurries.ALSO:Particles of solid oxide catalysts or solid oxide catalyst carriers are separated from admixture with particles of an ion-exchange resin in an aqueous medium by a method which comprises contacting the mixture with an ascending aqueous stream to separate the greater part of the particles and thereafter separating the remaining solid oxide and resin particles by screening.  The invention has particular reference to a silica-alumina cracking catalyst and to an alumina catalyst carrier and the resin may be a cation exchange resin or an anion exchange resin.  A suitable size for the particles of the catalyst or catalyst carrier is in the range from about 20 microns diameter to about 300 microns diameter.  A suitable size range for the resin particles is about 0.4 mm. diameter to about 2 mm. diameter. Particles within these size ranges are selected for admixture in the aqueous medium, to form a slurry, by preliminary screening. The slurry is fed to the top of a tower and meets an ascending water column which is caused to rise with a superficial speed in the range from about 2 feet per minute to about 8 feet per minute. The catalyst is collected from the top of the column and the resin from the bottom.  The supplementary screening operation comprises passing the aqueous medium which was utilized in the elutriation over a screen having a mesh size such that the larger resin particles are retained while the solid oxide particles pass through the screen.  Preferably, the liquid is given pulsations, for example by a diaphragm pump located in the aqueous filtrate below the screen.
Patent GB-662987-A (GB)
Title: Improvements in aeroplanes
Inventor: CROSLEY ROBERT MICHAEL
IPC: B64D45/04
Filed: 1949-05-13
Abstract: 662,987. Indicating-apparatus. SHORT BROS. & HARLAND, Ltd. May 12, 1950 [May 13, 1949], No. 12809/49. Class 106 (iv). [Also in Group XXXIII] An image of an instrument dial B is projected on to the inner surface of an aeroplane windscreen in such a position that the image will be visible to the pilot looking through the windscreen. A. lamp A projects a beam of light through the translucent dial B and a collimating lens C, on to the windscreen E to produce an image of the dial in the pilot's line of sight F, G. The image may be brought to an infinite focus.
Patent GB-219651-A (GB)
Title: Improvements in the separation of liquids from solids
IPC: B04B3/00
Filed: 1924-05-24
Abstract: 219,651. Carpenter, H. B. July 25, 1923, [Convention date]. Strainer separators.-In a centrifugal drier for coal and like substances, the material is projected against the screen, the particles striking separately and at such a speed that the associated liquid travels through the screen; this action assists the ordinary centrifugal drying. Radial arms 1 supported by the base 3 carry the bearing support 4 for the bottom of the shaft 8. Vertical side members 5 carry radial members 6, at the top of the apparatus, secured to the annular part 7 which supports the upper bearings 11, 12 and the hopper 56. Lubricant is supplied to the bearings from grease cups 14, 18. A spider 21 keyed to the shaft has a number of radial vanes 23 and supports the V-shaped rim 24 which carries the strainer cage. Below the spider 21 is a distributing disc 28 with radial vanes 31 which terminate before reaching the periphery of the disc. A threaded sleeve 27 on a collar 26 supports the disc adjustably so that the space between the disc and the spider 21 can be varied to vary the rate at which the material is fed through. The parts can be locked in position by pins 33, Fig. 12, held by caps 36. The inclined screen ribs 45 which have a series of stepped inner faces 46, are secured at their upper ends to the rim 24 and at their lower ends to the rim 44 carried by the spider 37. Conical screens 47 are secured to the inner faces 46 and at each step of the ribs is attached a serrated distributing rim 48. The angle of the screen plates 47 with respect to the shaft 8 is varied by means of adjusting screws 49. The strainer is driven by the shaft 50 through gearing 53, 9. The material enters the hopper 56 and passes, between the rotating vanes 23 on the spider 21 to the distributing disc 28 with its vanes 31. It is thrown off the disc at a high velocity to impinge upon the upper screen plate 47 and the impact drives a considerable quantity of water through the screen. The material passes down the screen and is broken into fine streams over each rim 48; these streams are again thrown to the screen and water is driven out at each impact. In addition to this action some separation of water occurs under the action of centrifugal force as the material moves downwards. The dry coal or other material is discharged into the hopper 65 after a wall of coal has been built up on the retarding plate 66. The separated water passes into semicircular sluices 57 which slope towards the outlets 69. Apertures 60 and plugs 61 facilitate examination of the linings of the sluices
Patent GB-881606-A (GB)
Title: Improved friction clutch
IPC: F16D13/16
Filed: 1960-04-11
Abstract: 881,606. Friction clutches. VAN DER GRAAF, M. H. April 11, 1960 [April 13, 1959], No. 12888/60. Class 80 (2). A friction clutch comprises segments 22 movable radially outwards against the pressure of a spring 25 into frictional engagement with a drum 23 by means of an axially movable ring 16 and a ring 18 bearing against an adjustable nut 21 screwed to a hub 1. The rings are urged apart by springs 24. The clutch is controlled by an actuating collar comprising an inner race 13 of a ball bearing which acts on one end of levers 7, the other end of which act through riders 15 on the ring 16. Each lever 7 is formed by a package of four punched hard spring steel plates loosely disposed adjacent one another and housed partly in a slot 6 in the hub 1 and partly in a slot 19 in the rings 16, 18. Two semicircular steel wires 9 disposed in a groove 3 of the hub serve as pivots for the levers 7 which to that end have recesses 11. The riders 15 are formed by U-shaped hard spring steel punched parts with the limbs of the U disposed on both sides of the levers and are retained radially by a collar 17 of the ring 16. A spring steel ring 27 serves to prevent accidental disengagement of the clutch by locating the inner race 13, and the disengaged position of the inner race is limited by a ring 28. The actuating arrangement may be applied to a plate clutch.
Patent GB-928587-A (GB)
Title: Improvements in hydraulic pumps or motors
Inventor: FIRTH DONALD
IPC: F01B1/06
Filed: 1959-04-16
Abstract: 928,587. Swash plate pumps or motors. COUNCIL FOR SCIENTIFIC & INDUSTRIAL RESEARCH. April 19, 1960 [April 16, 1959; May 1, 1959], Nos. 12920/59 and 14890/59. Class 102(1). [Also in Group XXIX] The slippers 17 of a swash plate pump or motor each have an oilway 73, leading from the pressure side 56 of the piston 54 via constricted oil metering ducts 74a, b, c to mutually isolated recesses 75a, b, c, and an annular recess 76 adjacent the working faces 81 and 82-84 of the slipper at its leading and trailing edges and open to atmosphere through radial notches 77-79. The working face of the swash plate, Fig. 1 (not shown), is recessed to accommodate an annular slipper bearing pad locked by a dowel and supporting an annular slipper plate 16. In a radial cylinder pump or motor, Fig. 5 (not shown), each slipper has a working surface coacting with an eccentric and lubricated by oil from a working space-above a pump piston, which oil is fed through two metered plugs to two shouldered cavities opening into shallow recesses in the working surface. Provisional Specification describes a swash plate embodiment in which a single axial oil metering duct opens into a larger bore which communicate with a central recess in the slipper. Specification 893,848 is referred to.
Patent GB-271108-A (GB)
Title: Improved manufacture of artificial stone
IPC: C04B14/40
Filed: 1927-05-13
Abstract: 271,108. Harnisch, M. May 14, 1926, [Convention date]. Plastic compositions containing asbestos residues.-The ground residues of asbestos-containing minerals, such as serpentine, are agglomerated by means of any suitable binder to produce a stone-like mass suitable for building and other purposes. Preferably the residue is first treated with dilute sulphuric acid. Examples are given showing the use as binders of sodium silicate in conjunction with calcium chloride, and of tar.
Patent GB-1144024-A (GB)
Title: Binding agent for plaster and/or mortar, and mortar mixtures produced therefrom
IPC: C04B20/00
Filed: 1966-03-24
Abstract: 1,144,024. Cement composition. GULLHÍ- GENS BRUK A.B. 24 March, 1966 [25 March, 1965], No. 12999/66. Heading C1H. A binding agent for plaster or mortar comprises an hydraulic cement and 5-50%, based on the weight of the composition, of a finely divided inorganic filler having a range of particle sizes finer than a particle size distribution curve defined by the following points: 90% < 10 Á, 50% < 2 Á, 30% < 1 Á and 1% < 1 Á, by weight. Preferably the binding agent comprises 50-90% Portland cement, 0-0À5% of a surface tension influencing airentraining agent, by weight of the composition. The hydraulic cement may be Portland, aluminous, slag, gypsum-slag or a mixture of these cements. The fine inorganic filler may be limestone, gypsum, sand, quartzite, kieselguhr, marble, dolomite, felspar, pyrophyllite, perlite, granite or gneiss. The air-entraining agent may be tall oil or a sulphonated or sulphated resin or fat.
Patent GB-1199909-A (GB)
Title: Temperature Regulators
IPC: G05D23/32
Filed: 1969-03-12
Abstract: 1,199,909. Automatic temperature control systems. LANDIS & GYR A.G. March 12, 1969 [March 19, 1968], No. 13039/69. Heading G3R. In a room temperature regulating system having a regulating device 3 in series with a controlled rectifier e.g. a thyristor 5 the gate of which is connected to a one base B1 of a unijunction transistor UB, the emitter of which is connected to the junction of a temperature setting means 14 and a temperature sensing means 11 forming a potentiometer, the potentiometer is connected in series with a further resistor 13 in thermal contact with the sensing means 11 across the controlled rectifier 5. The circuit is supplied with a pulsating D. C. voltage, and the rectifier may be connected to inductive and capacitive impedances 23, 24 to reduce radio interference. A voltage dependent resistor 6 restricts excess voltages. Means 14 may have two variable taps shuntable by a switch 18 to provide day and night temperatures, and means 11 may be a NTC resistor, or a PTC resistor where the positions of elements 11, 14 are interchanged. The switch 18 may form part of a timer. The characteristic of the combination 11, 13 may be arranged to have a negative slope in the region of its greatest gradient in which case only complete half cycles are passed. Device 3 may be a heating resistor forming part of a valve adjusting the flow of a heating medium.
Patent GB-194198-A (GB)
Title: Improvements in or relating to leading-in conductors for vitreous material
IPC: C03C27/04
Filed: 1922-05-09
Abstract: 194,198. Naamlooze Vennootschap Philips' Gloeilampenfabrieken, Holst, G., Oosterhuis, E., and Lokker, J. C. May 9, 1922. Drawings to Specification. Wire for conducting electric currents through glass surfaces comprises a core of copper or like metal surrounded by and in contact with an ironalloy sheath, which may have a wash of copper to facilitate its adherence to the glass.
Patent GB-244039-A (GB)
Title: Improvements in or relating to dynamo-electric machines for frequency conversion
IPC: H02K47/26
Filed: 1925-05-19
Abstract: 244,039. Siemens - Schuckertwerke Ges. Dec. 3, 1924, [Convention date]. Rotary transformers. - In a frequency converter of asynchronous type in which the load machine is of asynchronous type cascaded with the coupled principal machine, the load machine is adjustably excited by a polyphase exciter in such a manner that the regulation of the converter is effected in a circuit of network frequency or approximately of network frequency. In the form shown in Fig. 1, the stator and rotor windings 3, 4 of the asynchronous converter 2 are connected to the networks 1 and 6 having different frequencies and 9 is the loading machine excited by a 3-phase rotor-fed compensated machine 13. The converter has in addition to the main rotor winding 4 a winding 7 connected to the stator of the load machine through sliprings 8. These rings may be combined with the rings 5 which are connected to the second frequency circuit 6. The exciter is energized through a transformer 15 from the network 6, or, alternatively, from the network 1. By regulating the magnitude or phase of the voltage of the transformer, the magnitude and phase of the voltage in the circuit 6 may be controlled or the speed of the converter may be brought to a given value. In an alternative form, the stator of the load machine is excited by the machine 13 and its rotor is directly-connected to the winding 4 and slip-rings 5, the winding 7 and rings 8 being omitted. Specification 600/11 is referred to.
Patent GB-198544-A (GB)
Title: Improved means for applying the propelling effort to vehicles, particularly hand propelled vehicles
IPC: B62B9/12
Filed: 1922-05-10
Abstract: 198,544. Brown, F. May 10, 1922. Push-bars.-In vehicles particularly hand propelled vehicles such as perambulators which are propelled from the rear, the push bars H or the like to which the handle is attached, pass through guides B in a rigid frame and are attached at points A to the frame so that the power is applied to the vehicle in front of and above the front axle. The frames is secured to the axles at C, D. The frame may be dispensed with and replaced by the body of the vehicle itself. An auxiliary handle, may be attached in front of the vehicle.
Patent GB-723418-A (GB)
Title: Improvements in or relating to electro-magnetic vibrators
Inventor: GREENFIELD THOMAS EDWIN
IPC: H02K33/18
Filed: 1951-06-01
Abstract: 723,418. Electromagnetic vibrators; automatic amplitude control systems. GENERAL ELECTRIC CO., Ltd. Sept. 1, 1952 [June 1, 1951], No. 13116/51. Classes 35 and 38 (4). [Also in Group XXXVI] An electromagnetic vibrating device has a vibratory coil mounted on a former 2 and located in the field of a first magnetic system comprising a permanent magnet 4, and a pick-up coil mounted on a former 3 located in the field of a second magnetic system comprising a magnet 6. Both magnets 4 and 6 may be replaced by electromagnets. The vibratory coil former 2 is rigidly secured to the edges of a vibratory table 1 by pillars 25 and the pick-up coil former 3 is secured to the centre of the table 1 by a screw 38. The two magnetic systems are separated by a magnetic screen comprising a steel member 35 and the central part of a mounting plate 18. Fig. 5 shows the input circuit feeding the vibratory coil and the output circuit of the pickup coil. The vibratory coil is fed with an audio frequency current from an oscillator 52 through a variable gain amplifier 58, the gain of which is varied by a bias voltage from a low-pass filter 57 which is fed from the pick-up coil as shown. The differentiating circuit 53 may be replaced by a circuit 63 having a linear characteristic so that the meter 56 may indicate the maximum velocity instead of the maximum acceleration of the table 1. If the component to be tested under vibration is a thermionic valve, the latter is placed on the table 1 and records are taken of the characteristic curve to show the frequencies at which there is any tendency for the valve to resonate.
Patent GB-131621-A (GB)
IPC: D04B15/32
Abstract: 131,621. Marks, E. C. R., (Acme Knitting Machine & Needle Co.). May 10, 1918. Circular machines.-In machines of the rotarycylinder type, a radially-movable elevating cam 159 is provided to enable the needles to be levelled at the lowest point of the stitch cam. The cam 159 is mounted upon a stem 161 formed with a shoulder 165 adapted to be engaged by a spring latch 167 carried by a radially-movable member 169 which is normally held away from the cylinder by a lever 175 engaging behind a shoulder 173. The lever 175 is depressed by a cam on a pattern drum allowing the member to move inwardly under the influence of a spring 170 and causing the latch 167 to engage the shoulder 165. The cylinder is then rotated by hand, causing a cam 171 rotating therewith to force out the member 169 and withdraw the cam 159 to level the needles, the member 169 being retained by the lever 175 again coming into action. After transfer, the latch 167 is depressed by a cam-operated lever 176 engaging a pin 174, and the cam 159 is moved into action by a spring 163.
Patent GB-713846-A (GB)
Title: Improvements relating to blower type apparatus for distributing powdered fertilisersand the like
IPC: A01M9/00
Filed: 1951-06-04
Abstract: 713,846. Crop-dusters: seed-sowers. PORTER, G. I. M. March 3, 1952 [June 4, 1951], No. 13185/51. Class 6 (1). [Also in Groups XXVIII and XXIX] A crop-duster comprises a powder hopper 10 and a centrifugal-blower 11 having a duct 12 leading below the hopper, the duct having a venturi orifice 32, Fig. 3, mounted beneath the hopper outlet comprising convergent side-walls 33 and a downwardly-depending deflecting-plate 34. The structure 32 is formed of sheet metal and is slid into the tapering duct 12, being retained therein by friction. The duct terminates in an adjustable nozzle 36 pivoted on a horizontal bolt 39. The hopper outlet is controlled by a cone 17 vertically-adjustable on a screwed shaft 18. Seeds may be fed into the duct 12 from a similar, smaller, hopper 23 having a spout which rests within the mouth 23a of a tube 22. Liquids may also be supplied from the hopper or from a separate container (not shown) through a pump 40 to a nozzle 43 adjacent to the main nozzle 36. The whole structure is swivelly mounted on a turntable 13 on a vehicle and the blower 11 may be driven from a small motor or from the engine of the vehicle. Reference has been directed by the Comptroller to Specification 683,531.
Patent GB-131996-A (GB)
IPC: B63H25/10
Abstract: 131,996. Thornycroft & Co., J. I., Thornycroft, Sir J. E., and Thornycroft, T. Aug. 14, 1918. Stern frames. - In a motor-boat having two propellers, the shafts of which are supported in brackets carrying the corresponding rudders, each bracket b is fixed to the boat by bolting its integral part b<4> to a corresponding part u<1> of an L-shaped bracket u, the horizontal part of which is fixed to the bottom of the boat.
Patent GB-280112-A (GB)
Title: Improvements in pulley blocks
IPC: B66D3/04
Filed: 1927-05-17
Abstract: 280,112. Barraco, G. May 17, 1927. Pulley-blocks.-In a pulley block in which the sheave 11 is rotatable on a roller 9 sustained by a gudgeon 8 journaled in bearing-brasses 7 in the cheeks 1, 2, the cheeks are spaced apart by distance pieces 3, 4, the upper one of which is in toothed engagement with the cheeks. The diameters of the gudgeon 8, roller 9 and sheave 11 are in the ratio 1 :3 :8.
Patent GB-132238-A (GB)
IPC: F04C2/04
Abstract: 132,238. Michell, A. G. M. Sept. 5, 1918, [Convention date]. Fluid-friction apparatus. - Viscous fluids are pumped by cyclically varying the thickness of a film of the liquid between closely-fitting relativelymoving surfaces, whereby pressure is generated in the film during the period in which the thickness of the film is diminished. Fig. 1 shows one construction of pump in which a rotor 4 having a number of conical flanges is mounted on an eccentric 5 on the rotatable shaft 6 which is concentric with the inwardly flanged casing 3. A number of inlet and outlet channels 12, 14 are formed in the stator flanges, and, as the shaft rotates, the thickness of the film at any point is varied, and fluid is drawn in through the inlet 20 and expelled' through the non-return valve 15. In the pump shown in Fig. 4. a number of cylindrical sleeves 25 having grooves and slots are mounted within the casing 3 so as to be free to rock slightly about the axis but not to rotate. They are moved by a roller 30 on the eccentric 5 and act on the intervening films of the fluid which enters by way of the valves 24 and is expelled through valves 15. Specifications 27457/09, 106,824, [Class 12 (iii). Lubricators &c.], and 128,069 are referred to.
Patent GB-1470395-A (GB)
Title: Composition for skin treatment
IPC: A61K8/34
Filed: 1974-03-26
Abstract: 1470395 Skin treatment composition SEBETROL CANADA INC 24 March 1975 [26 March 1974] 13236/74 Heading A5B A composition for treating the skin comprises a mixture, expressed in volume percentage, of liquor picis carbonis 0.5-4.0%, resorcin 0.5-4.0%, menthol 0.5-5.0% water 5.0-20.0% and isopropanol 68.0-93.5%.
Patent GB-385189-A (GB)
Title: Improvements in or relating to flaying knives
IPC: A22B5/16
Filed: 1932-05-07
Abstract: 385,189. Flaying - knives. GALLI, E., 16, Via Vivaio, Milan, Italy. May 7, 1932, No. 13259. [Class 30.] An adjustable guard 2, for one or both sides of a flaying-knife, is secured to the blade 1 bv bolts or rivets 8, 9 passing through angled slots 6 in the blade or guard. The guard, when for both sides, is bifurcated and its two sides, which are united at the point 3, carry extensions 4,.5 connected through the slots 6 by a rivet 8 and a bolt 9 having a clamping-nut 10. A single guard for one side of a chisel-edged blade is also shown.
Patent GB-853873-A (GB)
Title: Portable dictation apparatus
IPC: G11B5/00
Filed: 1957-04-26
Abstract: 853,873. Magnetic recording apparatus. DICTAPHONE CORPORATION. April 26, 1957 [April 30, 1956]. Drawings to Specification. Class 40 (2). The description is identical with that of Specification 841,586, but the claims are directed to features of the detachable magazine.